package anewp;

public class ceshi {
    public static void main(String[] args) {
        for (int row = 1; row <=9 ; row++) {
            for (int j = 1; j <=row ; j++) {
                System.out.print(j+"x"+row+" ");
            }
            System.out.println();
        }
        /*
       1x1
       1x2 2x2
       1x3 2x3 3x3
         */
    }

}
